Merge 254721@main - [GStreamer][MSE][CMake] Limit video support to 10…

…80p@30fps on RaspberryPi

https://bugs.webkit.org/show_bug.cgi?id=245270

Reviewed by Adrian Perez de Castro and Xabier Rodriguez-Calvar.

* Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp:
(WebCore::MediaPlayerPrivateGStreamerMSE::supportsType):
* Source/cmake/OptionsGTK.cmake:
* Source/cmake/OptionsWPE.cmake:

Canonical link: https://commits.webkit.org/254721@main

(cherry picked from commit 9d318e8)

Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp

@@ -54,6 +54,22 @@
 #include <wtf/URL.h>
 #include <wtf/text/AtomString.h>
 #include <wtf/text/AtomStringHash.h>
+#include <wtf/text/StringToIntegerConversion.h>
+
+// We shouldn't accept media that the player can't actually play.
+// AAC supports up to 96 channels.
+#define MEDIA_MAX_AAC_CHANNELS 96
+#if USE(FULLHD_VIDEO_DECODING_LIMIT)
+// Raspberry Pi only supports up to 1080p@30fps hardware video decoding.
+#define MEDIA_MAX_WIDTH 1920.0f
+#define MEDIA_MAX_HEIGHT 1080.0f
+#define MEDIA_MAX_FRAMERATE 30.0f
+#else
+// Assume hardware video decoding acceleration up to 8K@60fps for the rest of the cases.
+#define MEDIA_MAX_WIDTH 7680.0f
+#define MEDIA_MAX_HEIGHT 4320.0f
+#define MEDIA_MAX_FRAMERATE 60.0f
+#endif
 
 static const char* dumpReadyState(WebCore::MediaPlayer::ReadyState readyState)
 {
@@ -373,6 +389,25 @@ MediaPlayer::SupportsType MediaPlayerPrivateGStreamerMSE::supportsType(const Med
         return result;
     }
 
+    unsigned channels = parseIntegerAllowingTrailingJunk<unsigned>(parameters.type.parameter("channels"_s)).value_or(0);
+    if (channels > MEDIA_MAX_AAC_CHANNELS)
+        return result;
+
+    bool ok;
+    float width = parameters.type.parameter("width"_s).toFloat(&ok);
+    if (!ok)
+        width = 0;
+    float height = parameters.type.parameter("height"_s).toFloat(&ok);
+    if (!ok)
+        height = 0;
+
+    if (width > MEDIA_MAX_WIDTH || height > MEDIA_MAX_HEIGHT)
+        return result;
+
+    float framerate = parameters.type.parameter("framerate"_s).toFloat(&ok);
+    if (ok && framerate > MEDIA_MAX_FRAMERATE)
+        return result;
+
     GST_DEBUG("Checking mime-type \"%s\"", parameters.type.raw().utf8().data());
     auto& gstRegistryScanner = GStreamerRegistryScannerMSE::singleton();
     result = gstRegistryScanner.isContentTypeSupported(GStreamerRegistryScanner::Configuration::Decoding, parameters.type, parameters.contentTypesRequiringHardwareSupport);

Source/cmake/OptionsGTK.cmake

@@ -256,6 +256,8 @@ SET_AND_EXPOSE_TO_BUILD(WTF_PLATFORM_QUARTZ ${ENABLE_QUARTZ_TARGET})
 SET_AND_EXPOSE_TO_BUILD(WTF_PLATFORM_X11 ${ENABLE_X11_TARGET})
 SET_AND_EXPOSE_TO_BUILD(WTF_PLATFORM_WAYLAND ${ENABLE_WAYLAND_TARGET})
 
+SET_AND_EXPOSE_TO_BUILD(USE_FULLHD_VIDEO_DECODING_LIMIT ${ENABLE_FULLHD_VIDEO_DECODING_LIMIT})
+
 SET_AND_EXPOSE_TO_BUILD(ENABLE_PLUGIN_PROCESS FALSE)
 
 add_definitions(-DBUILDING_GTK__=1)

Source/cmake/OptionsWPE.cmake

@@ -336,6 +336,8 @@ SET_AND_EXPOSE_TO_BUILD(USE_COORDINATED_GRAPHICS TRUE)
 SET_AND_EXPOSE_TO_BUILD(USE_NICOSIA TRUE)
 SET_AND_EXPOSE_TO_BUILD(HAVE_OS_DARK_MODE_SUPPORT 1)
 
+SET_AND_EXPOSE_TO_BUILD(USE_FULLHD_VIDEO_DECODING_LIMIT ${ENABLE_FULLHD_VIDEO_DECODING_LIMIT})
+
 # GUri is available in GLib since version 2.66, but we only want to use it if version is >= 2.67.1.
 if (PC_GLIB_VERSION VERSION_GREATER "2.67.1" OR PC_GLIB_VERSION STREQUAL "2.67.1")
     SET_AND_EXPOSE_TO_BUILD(HAVE_GURI 1)